Retractable downdraft



FIG. 1 is a perspective view of a retractable downdraft showing an embodiment of my new ornamental design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is an enlarged version of the control panel shown in FIG. 1;

FIG. 6 is a left side view thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is another perspective view; and,

FIG. 9 is yet another perspective view.

The broken lines represent environment and form no part of the claim. 

CLAIM The ornamental design for a retractable downdraft, as shown and described. 